ContextQuery <T>(
string partitionKey,
StashContext <T> context,
IQueryable <T> query,
CommitStrategy commitStrategy)
where
T : IDataHelper <T>, new()
{
// Insert
const int
insertCount = 5;
var insertItems = ContextInsert <T>(context, insertCount, partitionKey);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Inserted).Count == insertCount);
context.Commit(commitStrategy);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Unchanged).Count == insertCount);
// Detach a few
var
detachedItems = insertItems.Where((item, idx) => idx % 2 == 1).ToList();
int detachCount = detachedItems.Count;
detachedItems.ForEach(item => context.Detach(item));
Assert.IsTrue(context.GetTrackedEntities(EntityState.Unchanged).Count == insertCount - detachCount);
// query
var queryItems = query.ToList();
Assert.IsTrue(queryItems.Count == insertCount);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Unchanged).Count == insertCount);
// delete
queryItems.ForEach(context.Delete);
context.Commit(commitStrategy);
Assert.IsTrue(
context.GetTrackedEntities().Count == 0);
}
ContextFull <T>(
string partitionKey,
IQueryable <T> query,
CommitStrategy commitStrategy)
where
T : IDataHelper <T>, new()
{
var client = StashConfiguration.GetClient <T>();
const int
insertCount = 5;
// insert insertCount and commit
var context = client.GetContext();
var insertItems = ContextInsert <T>(context, insertCount, partitionKey);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Inserted).Count == insertCount);
context.Commit(commitStrategy);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Unchanged).Count == insertCount);
// ---------------------------------------------------------------------------------------------------------
const int
updateCount = 7;
// (1) Insert or Update New. No etag needed.
context = client.GetContext();
var insertItems2 = ContextInsertOrUpdate <T>(context, 1, partitionKey);
// (2) Insert or Merge New. No etag needed.
var insertItems3 = ContextInsertOrMerge <T>(context, 1, partitionKey);
// (3) Insert or Update Old. No etag needed.
insertItems[0].UpdateDateTime();
context.InsertOrUpdate(insertItems[0]);
// (4) Insert or Merge Old. No etag needed.
insertItems[1].UpdateDateTime();
context.InsertOrMerge(insertItems[1]);
// (5) Update Old. ETag needed.
insertItems[2].UpdateDateTime();
context.Update(insertItems[2]);
// (6) Merge Old. ETag needed.
insertItems[3].UpdateDateTime();
context.Merge(insertItems[3]);
// (7) Delete Old. ETag needed.
context.Delete(insertItems[4]);
Assert.IsTrue(context.GetTrackedEntities(EntityState.InsertedOrUpdated).Count == 2);
Assert.IsTrue(context.GetTrackedEntities(EntityState.InsertedOrMerged).Count == 2);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Updated).Count == 1);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Merged).Count == 1);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Deleted).Count == 1);
Assert.IsTrue(context.GetTrackedEntities(
EntityState.InsertedOrUpdated
| EntityState.InsertedOrMerged
| EntityState.Updated
| EntityState.Merged
| EntityState.Deleted).Count == updateCount);
Assert.IsTrue(context.GetTrackedEntities().Count == updateCount);
context.Commit(commitStrategy);
Assert.IsTrue(context.GetTrackedEntities().Count == updateCount - 1);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Unchanged).Count == updateCount - 1);
// query and delete ... we should have to delete 6 since we inserted 5 + 2 and deleted 1
var
deleteItems = query.ToList();
int deleteCount = deleteItems.Count;
Assert.IsTrue(deleteItems.Count == 6);
deleteItems
.ForEach(
i => context.Delete(i));
Assert.IsTrue(context.GetTrackedEntities(EntityState.Deleted).Count == deleteCount);
context.Commit(commitStrategy);
Assert.IsTrue(context.GetTrackedEntities(EntityState.Unchanged).Count == 0);
}
public OngoingKnockoutBinding Bind <TProperty>(Expression <Func <TViewModel, List <TProperty> > > property,
Expression <Func <TViewModel, List <SelectOption> > > optionsProperty = null, CommitStrategy commitStrategy = CommitStrategy.OnChange)
{
var propertyName = property.GetPropertyName();
_commitStrategies.Add(propertyName, commitStrategy);
return(new OngoingKnockoutBinding(propertyName, optionsProperty?.GetPropertyName()));
}
